.page-news {
  --news-indent: 4px;
  --news-row-pad: 14px 6px 14px 0;
  background: var(--ink-900);
  color: var(--text-primary);
}

/* 首屏 */
.page-news .news-hero__grid {
  display: grid;
  gap: 22px;
  padding-block: 18px 26px;
}

.page-news .news-hero__title {
  margin: 10px 0 0;
  font-size: clamp(32px, 8vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.page-news .news-hero__text {
  margin: 14px 0 0;
  max-width: 64ch;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.75;
}

.page-news .news-counts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 12px;
  margin: 0;
  padding: 18px 16px;
  background: var(--ink-800);
  border-radius: var(--radius-lg);
}

.page-news .news-counts__item {
  min-width: 0;
}

.page-news .news-counts__label {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.page-news .news-counts__val {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(22px, 6vw, 30px);
  line-height: 1.1;
  color: var(--amber-gold);
}

.page-news .news-banner {
  margin: 4px 0 0;
}

.page-news .news-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* 主体棋盘：左目录 + 右条目流 */
.page-news .news-layout {
  display: grid;
  gap: 26px;
}

.page-news .news-aside__label {
  margin: 0 0 12px;
}

.page-news .news-index {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .news-index li {
  flex: 0 0 auto;
}

.page-news .news-index__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid var(--line-600);
  border-radius: var(--pill);
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.page-news .news-index__link .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber-gold);
}

.page-news .news-index__link:hover {
  color: var(--text-primary);
  background: var(--panel-700);
  border-color: var(--neon-purple);
}

.page-news .news-index__link[data-active="true"] {
  color: var(--neon-purple-soft);
  background: rgba(139, 92, 246, 0.14);
  border-color: var(--neon-purple);
}

.page-news .news-aside__note {
  display: none;
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.65;
}

/* 章节 */
.page-news .news-block {
  padding-block: 26px 4px;
  scroll-margin-top: 92px;
}

.page-news .news-block + .news-block {
  margin-top: 26px;
  border-top: 1px solid var(--line-600);
}

.page-news .news-block .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  margin: 0;
}

.page-news .news-block .section-head__index {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber-gold);
}

.page-news .news-block h2 {
  margin: 0;
  font-size: clamp(22px, 5.4vw, 32px);
  line-height: 1.2;
}

.page-news .news-block .note {
  flex-basis: 100%;
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-muted);
}

/* 区块配图 */
.page-news .news-fig {
  margin: 18px 0 4px;
}

.page-news .news-fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: var(--panel-700);
}

.page-news .news-fig--shot img { aspect-ratio: 3 / 2; }
.page-news .news-fig--data img { aspect-ratio: 12 / 7; }
.page-news .news-fig--wide img { aspect-ratio: 7 / 4; }

/* 条目 */
.page-news .entry-list {
  margin-top: 16px;
}

.page-news .entry {
  border-top: 1px solid var(--line-600);
  scroll-margin-top: 92px;
}

.page-news .entry:last-child {
  border-bottom: 1px solid var(--line-600);
}

.page-news .entry__row {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 4px 12px;
  padding: var(--news-row-pad);
  border-radius: var(--radius-sm);
  cursor: pointer;
  list-style: none;
  transition: padding-left 0.2s ease, background-color 0.2s ease;
}

.page-news .entry__row::-webkit-details-marker {
  display: none;
}

.page-news .entry__row:hover,
.page-news .entry__row:focus-visible {
  padding-left: var(--news-indent);
  background: var(--panel-700);
}

.page-news .entry__row:hover .entry__title {
  color: var(--neon-purple-soft);
}

.page-news .entry__no {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
}

.page-news .entry__head {
  min-width: 0;
}

.page-news .entry__title {
  display: block;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text-primary);
  transition: color 0.18s ease;
}

.page-news .entry__sub {
  display: block;
  margin-top: 3px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}

.page-news .entry__tags {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.page-news .entry__ver {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border: 1px solid var(--line-600);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--neon-blue);
}

.page-news .entry[open] > .entry__row {
  background: var(--ink-800);
}

.page-news .entry[open] .entry__no {
  color: var(--amber-gold);
}

.page-news .entry[open] > .entry__row .entry__title {
  color: var(--neon-purple-soft);
}

.page-news .entry__body {
  padding: 0 6px 18px 32px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-muted);
}

.page-news .entry__body p {
  margin: 0 0 8px;
}

.page-news .entry__foot {
  margin: 10px 0 0;
}

.page-news .entry__anchor {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--neon-blue);
  text-decoration: none;
}

.page-news .entry__anchor:hover {
  text-decoration: underline;
}

/* 归档与阅读方法 */
.page-news .news-read {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.page-news .news-read__item {
  padding-left: 14px;
  border-left: 2px solid var(--line-600);
}

.page-news .news-read__item:nth-child(1) { border-left-color: var(--neon-purple); }
.page-news .news-read__item:nth-child(2) { border-left-color: var(--neon-blue); }
.page-news .news-read__item:nth-child(3) { border-left-color: var(--amber-gold); }

.page-news .news-read__item h3 {
  margin: 0 0 6px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-primary);
}

.page-news .news-read__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-muted);
}

.page-news .news-cadence {
  margin-top: 24px;
}

.page-news .news-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

/* 焦点反馈 */
.page-news a:focus-visible,
.page-news summary:focus-visible {
  outline: none;
  box-shadow: var(--ring);
  border-radius: var(--radius-sm);
}

/* 中等屏幕 */
@media (min-width: 700px) {
  .page-news {
    --news-indent: 8px;
  }

  .page-news .news-read {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-news .entry__row {
    grid-template-columns: 40px minmax(0, 1fr) auto;
    align-items: start;
    padding: 16px 8px 16px 0;
  }

  .page-news .entry__tags {
    grid-column: 3;
    justify-content: flex-end;
    padding-top: 2px;
  }

  .page-news .entry__body {
    padding: 0 8px 20px 48px;
    font-size: 14.5px;
  }

  .page-news .entry__title {
    font-size: 16.5px;
  }
}

/* 桌面：左目录常驻 + 右侧条目流 */
@media (min-width: 960px) {
  .page-news {
    --news-indent: 10px;
  }

  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 40px;
    padding-block: 24px 34px;
  }

  .page-news .news-counts {
    padding: 22px 20px;
  }

  .page-news .news-layout {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: 44px;
  }

  .page-news .news-aside {
    position: sticky;
    top: 92px;
    align-self: start;
  }

  .page-news .news-index {
    flex-direction: column;
    gap: 6px;
    padding: 0;
    overflow: visible;
  }

  .page-news .news-index__link {
    width: 100%;
    justify-content: space-between;
    padding: 10px 14px;
    border-radius: var(--radius-md);
  }

  .page-news .news-aside__note {
    display: block;
  }

  .page-news .news-block {
    padding-block: 30px 6px;
  }

  .page-news .news-block + .news-block {
    margin-top: 30px;
  }
}
</main>